1982 - Conferences and articles New Guernica: offered to the people of the United States of America through their embassy in Spain
Madrid, 1 September 1977 - Institutional correspondence A letter from Jesús Madalena to José Mario Armero
Chicago, 10 October 1939 - Institutional correspondence Isabel Jarvis's letter to the Spanish Refugee Relief Campaign
Chicago, 12 October 1939 - Institutional correspondence Isabel Jarvis's letter to the Museum of Modern Art, New York